/* Wallet System admin — design tokens + components (no build step). */
:root {
  --bg: #0f1623; --surface: #16202f; --surface-2: #1c2738;
  --border: #2a3850; --text: #e6edf6; --muted: #8a9bb4; --accent: #3b82f6;
  --accent-2: #22c55e; --danger: #ef4444; --warn: #f59e0b;
  --radius: 8px; --gap: 16px; --mono: ui-monospace, SFMono-Regular, Menlo, monospace;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.5 -apple-system, system-ui, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.app { display: flex; min-height: 100vh; }
.side { width: 210px; background: var(--surface); border-right: 1px solid var(--border);
  padding: 18px 0; position: sticky; top: 0; height: 100vh; }
.side .brand { font-weight: 700; font-size: 16px; padding: 0 20px 14px; letter-spacing: .3px; }
.side .brand small { display:block; color: var(--muted); font-weight: 400; font-size: 11px; }
.side nav a { display: block; padding: 9px 20px; color: var(--muted); border-left: 3px solid transparent; }
.side nav a:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.side nav a.active { color: var(--text); border-left-color: var(--accent); background: var(--surface-2); }
.main { flex: 1; padding: 24px 28px; min-width: 0; }
.main h1 { margin: 0 0 4px; font-size: 20px; }
.sub { color: var(--muted); margin-bottom: 20px; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; margin-bottom: var(--gap); }
.row { display: flex; gap: var(--gap); flex-wrap: wrap; }
.row > * { flex: 1; min-width: 160px; }

label { display: block; font-size: 12px; color: var(--muted); margin: 10px 0 4px; }
input, select, textarea { width: 100%; background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px; padding: 8px 10px; font: inherit; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
textarea { font-family: var(--mono); min-height: 60px; }

.btn { display: inline-block; background: var(--accent); color: #fff; border: 0; border-radius: 6px;
  padding: 9px 16px; font: inherit; font-weight: 600; cursor: pointer; }
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn.danger { background: var(--danger); }
.btn.sm { padding: 5px 10px; font-size: 12px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: .4px; }
td.mono, .mono { font-family: var(--mono); }
td.num { text-align: right; font-family: var(--mono); }
tr:hover td { background: var(--surface-2); }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }

.tag { display: inline-block; padding: 2px 8px; border-radius: 99px; font-size: 11px; font-weight: 600; white-space: nowrap; }
.tag.ok { background: rgba(34,197,94,.15); color: #4ade80; }
.tag.off { background: rgba(239,68,68,.15); color: #f87171; }
.tag.muted { background: rgba(138,155,180,.15); color: var(--muted); }
.tag.warn { background: rgba(245,158,11,.15); color: #fbbf24; }
.toolbar { display: flex; gap: 10px; align-items: flex-end; margin-bottom: 16px; flex-wrap: wrap; }
.toolbar .field { min-width: 130px; }
.toolbar label { margin-top: 0; }
.empty { color: var(--muted); padding: 30px; text-align: center; }

/* login */
.login-wrap { display: grid; place-items: center; min-height: 100vh; }
.login-card { width: 320px; }
.err { color: #f87171; font-size: 13px; margin-top: 8px; }